22281520

素因数分解:

$2^4\times 5^1\times {\mathrm{67}}^1\times {\mathrm{4157}}^1$

素因数の和:4237

約数の個数: 40

約数和(自身を含む): 52590384

約数和(自身を除く): 30308864

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 67, 80, 134, 268, 335, 536, 670, 1072, 1340, 2680, 4157, 5360, 8314, 16628, 20785, 33256, 41570, 66512, 83140, 166280, 278519, 332560, 557038, 1114076, 1392595, 2228152, 2785190, 4456304, 5570380, 11140760, 22281520]

約数ペア:

[(1, 22281520), (2, 11140760), (4, 5570380), (5, 4456304), (8, 2785190), (10, 2228152), (16, 1392595), (20, 1114076), (40, 557038), (67, 332560), (80, 278519), (134, 166280), (268, 83140), (335, 66512), (536, 41570), (670, 33256), (1072, 20785), (1340, 16628), (2680, 8314), (4157, 5360)]